Calyx actinomorphic , rarely zygomorphic ; usually ( 4 or ) 5-divided .
花萼辐射对称,很少左右对称;通常或者5裂。
Calyx actinomorphic , 5-sect from base ; segments equal .
花萼辐射对称,5个教派的自基部;裂片等长。
Flowers actinomorphic , campanulate to turbinate , flexibly 5-7-merous .
花辐射对称,钟状到陀螺状,易曲地5-7瓣。
Flowers shortly pedicellate , bisexual or unisexual and plants dioecious , actinomorphic , often perigynous , very small ; receptacle broadly campanulate .
花有短花梗,两性或者单性且雌雄异株,辐射对称,通常周位,花极小;花托宽钟状。
Bracts ovate , large ; flowers polygamous , male flowers and bisexual flowers on same plant but not in same inflorescence , actinomorphic .
苞片卵形,大;花杂性,雄花和两性花在相同植株上但不是在相同花序内,辐射对称。
Flowers bisexual to rarely unisexual , pinkish to white , pendent or erect , actinomorphic and hypogynous , arranged in panicles or racemes .